2020 Jeep Wrangler Service and Repair Manual
The 2020 Jeep Wrangler was offered with three engines — the 2.0L I4 turbo, the 3.0L V6 turbo, and the 3.6L V6 — across seventeen trims. This factory service and repair manual is matched to the 2020 model year, so the specifications and sequences are correct for your engine and trim.
Engines
- 2.0L I4 turbo — 122 cu in, DOHC
- 3.0L V6 turbo — 182 cu in, DOHC
- 3.6L V6 — 220 cu in, DOHC
Trims
- Rubicon
- Rubicon Deluxe
- Sport
- Sport S
- Unlimited Black and Tan
- Unlimited Freedom
- Unlimited North Edition
- Unlimited Recon
- Unlimited Rubicon
- Unlimited Rubicon Deluxe
- Unlimited Rubicon Xtreme
- Unlimited Sahara
- Unlimited Sahara Altitude
- Unlimited Sport
- Unlimited Sport Altitude
- Unlimited Sport S
- Unlimited Willys
Known issues on the 2020 Wrangler. Ten recalls are on federal record for this model year: a traction battery that can catch fire, three separate recalls for overheated clutch components that can cause a fire, a fuel delivery line leak that can cause a fire near an ignition source, a frame fuel leak that can likewise cause a fire, a fuel pump fault that can stall the engine (crash risk), an improperly welded front lower control arm that can separate from the axle, a rearview camera that can fail to display an image and reduce the driver's rear view, and a lingering rearview camera image that can distract the driver. Owners have filed 763 complaints and Jeep has issued 968 technical service bulletins for the year.
Whether it is a routine service interval, a control-module reflash, or a hard-to-trace wiring fault, this manual keeps you on the factory procedure and the correct specification for your 2020 Wrangler.
Chrysler (FCA US LLC) is recalling certain 2020 Jeep Gladiator and Jeep Cherokee, 2019-2020 Ram 1500 Pickup, Ram 2500 Pickup, Ram 3500 Pickup, Chrysler Pacifica, Dodge Durango, Jeep Grand Cherokee, Jeep Wrangler, and Jeep Renegade and 2019 Dodge Challenger vehicles equipped with 8.4" or 12" radio displays. A software error can cause the rearview camera image to remain displayed after the vehicle has been shifted out of reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."
The lingering rearview image can distract the driver, increasing the risk of a crash.
Chrysler has notified owners, and dealers will update the radio display software, free of charge. Optionally, owners can choose to remotely update their software via an Over-The-Air (OTA) update available as of May 1, 2020. The recall began April 27, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W30-W37.
Chrysler (FCA US LLC) is recalling certain 2020 Jeep Wrangler vehicles. The left side lower control arm bracket and weld may not be correctly positioned.
The improper weld may allow the lower control arm to separate from the axle which can increase the risk of a crash.
Chrysler will notify owners, and dealers will inspect the front axles, replacing them as necessary, free of charge. The recall began February 27, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W01.
Chrysler (FCA US, LLC) is recalling certain 2020 Jeep Wrangler vehicles equipped with the 2.0 Liter engine. A cracked fuel supply line connector may leak fuel into the engine compartment.
A fuel leak in the presence of an ignition source increases the risk of fire.
Dealers will inspect and replace the fuel supply line as needed, free of charge. Owner notification letters were mailed on September 10, 2021. Owners may contact FCA US LLC customer service at 1-800-853-140. FCA US LLC's number for this recall is Y10.
Chrysler (FCA US, LLC) is recalling certain 2018-2021 Jeep Wrangler and 2020-2021 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.
Overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.
FCA US LLC will notify owners, and dealers will add software to reduce engine torque capability when clutch assembly temperatures rise to a level that may damage the inner pressure plate, free of charge." FCA has ordered a stop sale for the affected vehicles as of February 25, 2021. Owner notification letters were mailed on March 4, 2021.
Chrysler (FCA US LLC) is recalling certain 2018-2020 Jeep Wrangler and 2020 Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.
The overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.
Chrysler will notify owners, and dealers will reroute a wire harness and inspect the clutch system, and replace components as needed. The recall began April 30, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W12.
Chrysler (FCA US, LLC) is recalling certain 2020-2021 Jeep Wrangler, RAM 1500 and 2021 Jeep Gladiator vehicles. A radio software error may prevent the rearview image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
A rearview camera that does not display an image reduces the driver's rear view, increasing the risk of a crash.
Dealers will update the radio software, free of charge. Owner notification letters were mailed October 6, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA, LLC's number for this recall is Z86.
Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.
An engine stall can increase the risk of a crash.
Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z96.
Chrysler (FCA US, LLC) is recalling certain 2018-2023 Jeep Wrangler, and 2020-2023 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.
Overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.
Dealers will replace the clutch assembly and update the software, free of charge. Owner notification letters were mailed from November 16, 2023 through July 25, 2024. Owners may contact (FCA US, LLC) customer service at 1-800-853-1403. FCA US LLC's number for this recall is 19A. This recall expands and replaces previous recall 21V-028. Vehicles previously repaired under recall 21V-028 will need to have the new remedy completed.
Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler vehicles. A stud on the frame assembly may puncture the fuel tank in a crash, which can result in a fuel leak.
A fuel leak in the presence of an ignition source increases the risk of a fire.
Dealers will inspect and, if necessary, remove the frame stud and apply paint, free of charge. Owner notification letters were mailed April 6, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 28A.
Chrysler (FCA US, LLC) is recalling certain 2020-2024 Jeep Gladiator and 2018-2024 Jeep Wrangler vehicles. The instrument panel cluster may experience an internal short circuit and fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Controls and Displays."
An instrument panel that fails to display critical safety information, such as the speedometer or warning lights, can increase the risk of a crash.
Dealers will replace the instrument panel cluster, free of charge. Owner notification letters were mailed between October 3, 2024, and January 23, 2025. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is 30B.
Chrysler (FCA US, LLC) is recalling certain 2018-2024 Jeep Wrangler vehicles. The wiring harness for the rearview camera and the center brake light may short circuit, which can disable the rearview camera image and center brake light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 111, "Rear Visibility" and 108, "Lamps, Reflective Devices, and Associated Equipment."
A rearview camera image that does not display decreases the driver's visibility, increasing the risk of a crash. Additionally, a center brake light that fails to illuminate can fail to indicate to other drivers that the vehicle is slowing down, increasing the risk of a crash.
Dealers replaced the harness for the center brake light and rearview camera and/or the spare tire carrier/harness assembly, as necessary, free of charge. All vehicles were repaired by January 15, 2024. Owner notification letters were mailed September 26, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 77B.
Chrysler (FCA US, LLC) is recalling certain 2020-2025 Jeep Wrangler 4Xe and 2022-2026 Grand Cherokee 4Xe vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
A vehicle fire can increase the risk of injury.
Owners are advised to park outside and away from structures and not to charge their vehicles until the remedy is completed. Dealers will update the high voltage battery software, and replace the high voltage battery, as necessary, free of charge. Some owner notification letters were mailed beginning December 17, 2025. The remaining owner notification letters will be mailed at a later date. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 68C. Ve
ID-25-11 Rev. C Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles
D-25-15 Rev. C Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles
EMISSION RECALL NORTH AMERICA Check Engine/Malfunction Indicator Lamp 16C The instrument panel cluster on about 32,587 of the above vehicles may have an inoperable check engine/malfunction indicator lamp (CEL/MIL). (JT) vehicles: CEL/MIL an
Instrument Panel Cluster (IPC) Blank XZ1 Warranty Extension Customers may experience the following: SYMPTOM: **A blank electronic vehicle information center (EVIC) in the IPC. No information is displayed for the fuel level, temperature gaug
D-26-17 (XZ1) Instrument Panel Cluster (IPC) - Select 2018 - 2020 Jeep Wrangler (JL) and 2020 Jeep Gladiator (JT)
ID-26-37 (XZ1) Instrument Panel Cluster (IPC) - Select 2018 - 2020 Jeep Wrangler (JL) and 2020 Jeep Gladiator (JT)
Instrument Panel Cluster (IPC) Blank XZ1 Warranty Extension Customers may experience the following: SYMPTOM: A blank IPC display. No information is displayed for the speedometer, fuel level, temperature gauge, odometer, outside temperature
CORE HEATER
Showing the 8 most recent of 1014 technical service bulletins on file with NHTSA.
The contact’s daughter owned a 2020 Jeep Wrangler. The contact stated that while his daughter was driving at an unknown speed, another vehicle crashed into the front passenger’s side of the vehicle and another vehicle crashed into the front driver’s side of the vehicle, causing the vehicle to roll three times. The contact stated that the air bags failed to deploy. As a result of the air bag’s failure to perform as needed, the passenger sustained injuries to the chest and head, and also had a sei
While driving at around 30mph on a winding hill the steering locked forcing a crash into a guard rail.
The contact owned a 2020 Jeep Wrangler Rubicon. The contact stated that the battery and engine lights were illuminated. The vehicle was taken to the local dealer but was not diagnosed or repaired. The contact stated that while driving up a hill at 30 MPH, the vehicle became uncontrollable and went into oncoming traffic. The driver was depressing the brake pedal, but the vehicle failed to stop and crashed into a Toyota Tacoma and a Toyota Corolla. The contact sustained an injury to her knee, and
The contact owned a 2020 Jeep Wrangler. The contact stated while the contact's wife was driving at an uncertain approximately 45-90 MPH, another vehicle merged in front of the contact causing the driver to swerve and the other vehicle crashed into the front driver-side tire and frame. The contact stated that the air bags did not deploy. The vehicle was towed to a local tow yard. The contact stated that the vehicle was later towed to the insurance company's tow yard for inspection. The vehicle
Steering wheel locked while attempting a right turn. This resulted in an accident when vehicle would not turn. After cutting off vehicle and restarting, steering appeared normal.
Engine surges forward when coming to a stop (brakes applied) or when at a complete stop and the engine is in drive.this happened in Aug 2020 with 5000 miles on Odometer, and again in June 2022 with 26000 miles.
The contact owns a 2020 Jeep Wrangler. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed but failed to respond. The brake pedal was depressed multiple times however still failed to respond. The vehicle proceeded to drift 150 yards causing the vehicle to crash into the contacts residence and come to a stop at a piece of furniture. No warning lights were illuminated. No injuries were sustained. The front passenger side of the vehicle was damaged. The vehi
TEST DROVE A 2020 JEEP SAHARA ON 8/7/2020 AND DROVE GOOD. BOUGHT A WHITE ONE BUT WAS NOT READY SO IT WAS GOING TO GET DELIVERED THE NEXT DAY AT MY HOUSE. WHITE 2020 JEEP SAHARA WAS DELIVERED ON 8/8/2020 AT AROUND 12:00 PM. SALESMAN SHOWED ALL FEATURES AND LEFT. I DID A TEST DRIVE AROUND 5:00PM, WEN ON THE HIGHWAY AND STEERING WAS REALLY OFF, DID A TURN AROUND TO COME BACK HOME. AT 55 PMH I TRIED TO CHANGE LANES AND I I LOST CONTROL AND ENDED UP IN A DITCH. STEETING WAS VERY LOOSE GOING LEFT TO R
When in the automatic shut off mode, the car will lurch forward forcefully when trying to park. The vehicle will jump the cement parking barriers and can cause the vehicle to hit what is beyond the barrier, such as the wall of the building beyond the barrier.
Hi, my name is [XXX] and I have a 2020 Jeep Wrangler unlimited, I bought this car on July of 2021 and I started to have problems on October of 2022 the car was shaking but it wasn’t that bad, but on Nov of 2022 I was traveling from Phoenix to Nogales AZ driving at approximately 75m/h and the car started to shake really bad I almost lost control of the car it felt like the car was gonna fall apart, I had my daughter with me she’s traumatized she has Down syndrome she doesn’t like getting in the c
the accident the guy hit me on the back and I rolled over like four times. The air bag didn't come out.
On January 2, 2023, at about 4:00 PM I encountered the ‘Death Wobble’ while driving in my 2020 Jeep Wrangler (2-door) VIN: [XXX], purchased from Dave Smith Motors, Kellogg, ID on about 7/17/2020. I was driving North on I-15 about 10 miles South of Nephi, UT. I was traveling in the left lane at Freeway speeds (75-80 mph) when the front of the vehicle commenced to shake violently. My first thought was that both front tires had blown, although I did not observe any obstacles on the wet driving l
AS SLOWING DOWN TOWARDS A RED LIGHT AT APPROXIMATELY 5 MPH THE ENGINE SUDDENLY REVVED UP . PRESSED BRAKE TO FULL (AGAIN, NO FOOT ON GAS), ENGINE CONTINUED REVVING AT HIGH RPM. JEEP LURCHED FORWARD THREE TIMES AND REAR ENDED CAR IN FRONT WAITING AT THE LIGHT. 4 WHEEL DRIVE WAS NOT MANUALLY TURNED ON, BUT FELT LIKE THE FRONT WHEELS HAD LOCKED BUT THE BACK WHEELS KEPT LURCHING THE JEEP FORWARD. AGAIN THE ENGINE WAS RACING EVEN THOUGH GAS PEDAL WAS NOT PRESSED. PLEASE NOTE: THIS VEHICLE IS A R
This particular jeep has been in 2 accidents where partial front and complete front impact occurred with zero airbag deployment. 1st wreck was 33k in damages with a bent frame and second was 10k . Both accidents bumpers needed replaced. Aug 28 2023 wreck was Jeep struck power pole [broke in two] at around 45mph and Feb 11 2024 centered a tree after striking a deer 15mph
While driving down the highway, hit a pothole, and the vehicle started to shake very violently. Was unable to control the vehicle and crashed against the guardrail causing damage to the vehicle. This happened on January 22, 2022, in San Antonio, Texas.
Showing the 15 most serious of 605 complaints filed with NHTSA.
